<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
</head>
<body>
	<div class="box">
		<p id="a">alex</p>
		<p>日</p>
		<p>天</p>
	</div>
	<p>wusir</p>
	<script src="jquery.js"></script>
	<script>
		

		$(function () {
			// $('.box>p').css('color','green');	

			// 紧邻的挨着的下一个兄弟元素
			console.log($('#a+p'));
		})
	</script>
	
</body>
</html>